No particular order. Very much based on personal enjoyment - I recognize that a few of these are very flawed!
Ace Combat 4/5/Zero
Slay the Spire
Elden Ring
Dark Souls 3
Escape From Tarkov
Pokémon Sapphire
DOOM (2016)
PUBG (in its heyday)
(Old School) Runescape
Titanfall 2
Honorable mentions include EVE Online, Blacklight: Retribution, Gran Turismo 3, GTA: San Andreas, and Star Wars Battlefront II (PS2)